stdio.h

在Bf533上实现FAT32文件系统

//当把文件系统编译成库时，需要包含 此头文件才能正常调用库中函数
#ifndef __STDIO_H
#define __STDIO_H

#ifndef SEEK_SET
#define 	SEEK_SET (0)
#define 	SEEK_CUR (1)
#define 	SEEK_END (2)
#endif



typedef struct{
	unsigned long value;
	unsigned long offset;
}currentcluster_t;

typedef struct{
	unsigned int flag;
	unsigned long startcluster;
	currentcluster_t currentcluster;
	unsigned long curp;
	char filename[256];
	unsigned char type;
	unsigned long filesize;
	unsigned long listp;
	unsigned long up_folder;
}FILE_t;

typedef struct{
	FILE_t ** list;
	unsigned long num;
}FILELIST_t;

extern void fnSystemInit(void)
extern FILE_t *__fopen(char * path,char * mode);
extern int __fread(char * buffer,char size, int count, FILE_t *fp);
extern int __fwrite(char * buffer,char size, int count, FILE_t *fp);
extern FILELIST_t flist(char *path);
extern int __fseek(FILE_t *fp,int offset,int base);
extern void __fclose(FILE_t *fp);
extern int __frename(FILE_t *fp,char *name);
extern int __fdelete(FILE_t *fp);
extern FILELIST_t * __fsearch(char *path);
extern FILELIST_t * __fcloselist(FILELIST_t *filelist);




#endif